Home / 15,614,891.55-21,549,223.80-8,645,569.11

Finding the Fourth Proportional to 15,614,891.55, 21,549,223.80 and 8,645,569.11

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Solution

The fourth proportional to 15,614,891.55, 21,549,223.80 and 8,645,569.11 is: 11,931,258.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,614,891.55 : 21,549,223.80 = 8,645,569.11 : x
  2. Step 2: Convert to fraction form
    15,614,891.55/21,549,223.80 = 8,645,569.11/x
  3. Step 3: Cross multiply
    15,614,891.55x = 21,549,223.80 × 8,645,569.11
  4. Step 4: Simplify right side
    15,614,891.55x = 186,305,303,629,756.81
  5. Step 5: Solve for x
    x = 186,305,303,629,756.81/15,614,891.55
  6. Step 6: Final answer
    x = 11,931,258.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.